Polar bears Related Content

Dec 23 2010 - 2:01pm
“In late November, land-locked polar bears gather along the Hudson Bay to await the formation of Arctic ice so they can return to their seal-hunting grounds for the winter.” -- Nature's Best photographer, Alan Zipp. See more beautiful ocean photos in our slideshow of winners from the 2010 Nature's...
Feb 27 2013 - 10:23am
The polar bear (Ursus maritimus) is found in the Arctic and classified as a vulnerable species by the IUCN Red List of Threatened Species. This marine mammal can swim more than 30 miles when sea ice has receded due to warm temperatures.
Mar 23 2010 - 2:43pm
Scientists document a direct relationship between the extent of sea ice and polar bear survival. Future projected reductions in the extent of annual sea-ice due to global warming may result in the loss of nearly 40% of the Arctic ecosystem’s carrying capacity for polar bears. By mid-century polar...
A polar bear and her cub on the ice
Jun 28 2011 - 2:25pm
The Encyclopedia of Life and Atlantic Public Media bring us another installment of the podcast, One Species at a Time. In this podcast, host Ari Daniel Shapiro relates two close calls with polar bears. Listen as Heather Cray recalls how, dumped by a storm on a small Arctic island,...
Jan 14 2013 - 11:22am
Polar bears have evolved to survive in the Arctic with large, oar-like front paws for better swimming, as well as insulating blubber, and two layers of fur for the frigid temperatures. They rely on pack ice, traveling thousands of miles in a year looking for food (mostly ringed and bearded seals,...
Jan 6 2011 - 3:48pm
Polar bears are threatened by the loss of sea ice in the Arctic.
Sep 21 2011 - 1:23pm
At the Poles, Life Thrives  Located beside the Shores and Shallows gallery (which highlights different kinds of coastal ecosystems around the world), the Poles area will take you to the ends of the earth and empower you with a broad understanding of life and physical conditions at both poles.
Dec 7 2009 - 3:10pm
Polar bear siblings in the Churchill Wildlife Management Area near Hudson Bay spar playfully during migration.
May 11 2012 - 2:12pm
This Mother's Day we honor moms everywhere. Whether with gills, fins, flippers, claws, tentacles or arms, we appreciate all you do for us. Here is a Happy Mother's Day salute to devoted moms above the waves and below. To learn more about ocean moms check out our blog post on marine menopausal...